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Dr. Mark Showen, MD
29 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Mark Showen is Excellent. Dr. Showen has been reviewed by 4 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.2
Promptness 4.6
Courteous Staff 4.6
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.7

Specialties & Research

Dr. Mark Showen, MD is board certified in Pediatrics.

Education & Awards

Dr. Showen graduated from University of California at Davis.


Dr. Showen has 3 hospital affiliations:

  • Mills-Peninsula Health Services 
  • Peninsula Hospital 
  • Mills Hospital 


  • English

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Additional Information
Dr. Mark Harrison Showen MD is a male Pediatrician, has 29 years of experience and practices in Pediatrics.
Where does Dr. Mark H. Showen practice?
Dr. Mark Showen has 3 office locations.
Dr. Mark Showen practices Pediatrics near San Mateo, CA.
Additional practice locations include: Burlingame, CA and Palo Alto, CA.
See San Mateo Pediatricians.